Medicine: Biographies

The Columbia Encyclopedia, 6th ed. A Dictionary of Food and Nutrition Further reading

Hopkins, Sir Frederick Gowland

A Dictionary of Food and Nutrition | 2005 | | Copyright

Hopkins, Sir Frederick Gowland (1861–1947) British biochemist; discovered the amino acid tryptophan (1902, jointly with S. W. Cole), and later its essentiality; ‘accessory food factors’ (later named vitamins) 1906. Also discovered glutathione, and xanthine oxidase, the enzyme responsible for uric acid formation; Nobel Prize 1929.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

DAVID A. BENDER. "Hopkins, Sir Frederick Gowland." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

DAVID A. BENDER. "Hopkins, Sir Frederick Gowland." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O39-HopkinsSirFrederickGowlnd.html

DAVID A. BENDER. "Hopkins, Sir Frederick Gowland." A Dictionary of Food and Nutrition. 2005. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-HopkinsSirFrederickGowlnd.html

Learn more about citation styles

Free newspaper and magazine articles

	Rifle that misfired; Taking aim: Two British soldiers, in an early colour... Newspaper article from: Daily Mail (London); 9/11/2008
	Ways of telling: Jacquetta Hawkes as film-maker. Magazine article from: Antiquity; 3/1/2000